Ah, I see. Bank tellers deal directly with customers. Do you like that part of the job?
I've been a bank teller for 20 years!  I love being the one that deals directly with customers!  People are awesome!
I'm currently working as a bank teller, it's ok.
A bank teller (often abbreviated to simply teller) is an employee of a bank who deals directly with customers.
В настоящее время я работаю кассиром в банке, все в порядке.
Банковский кассир (часто сокращенно просто кассир) - это сотрудник банка, который имеет дело непосредственно с клиентами.